CVE-2025-11839: GNU Binutils prdbg.c tg_tag_type return value

Published Oct 16, 2025
·
Updated

A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tgtagtype of the file prdbg.c. Performing a manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks.

Other sources

GNU Binutils prdbg.c tgtagtype return value

Microsoft

Affected Software

8 affected componentsFixes available
GNU binutils
Microsoft azl3 binutils 2.41-9
Microsoft cbl2 binutils 2.37-17
Microsoft cbl2 binutils 2.37-19
GNU binutils=2.45
Microsoft cbl2 binutils 2.37-20
Microsoft azl3 binutils 2.41-10
Microsoft azl3 binutils 2.41-11

Event History

Oct 16, 2025
CVE Published
via MITRE·02:02 PM
Data Sourced
via MITRE·02:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Oct 25, 2025
Data Sourced
via Microsoft·02:01 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:01 PM
Affected Software
Updated
via Microsoft·09:01 PM
DescriptionSeverity
Updated
via Microsoft·09:01 PM
Affected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What security impact does CVE-2025-11839 have on GNU Binutils?

CVE-2025-11839 can lead to potential system exploitation through unchecked return values in the tg_tag_type function.

2

How can I determine if my version of GNU Binutils is affected by CVE-2025-11839?

Any version of GNU Binutils prior to 2.45 is vulnerable to CVE-2025-11839.

3

What are the recommended steps to mitigate CVE-2025-11839?

To mitigate CVE-2025-11839, users should upgrade to GNU Binutils version 2.46 or later.

4

Is it possible to exploit CVE-2025-11839 remotely?

No, the exploit for CVE-2025-11839 requires local access to the system.

5

What specific function in GNU Binutils is affected by CVE-2025-11839?

The tg_tag_type function in the prdbg.c file is the specific function affected by CVE-2025-11839.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203